<template>
     <nav>
      <router-link to="/">Home</router-link> |
      <router-link to="/demo1">Demo1</router-link> |
      <router-link to="/demo2">Demo2</router-link> |
      <router-link to="/demo3">Demo3</router-link> |
      <router-link to="/demo4">Demo4</router-link> |
      <router-link to="/map_cn">MapCN</router-link> |
      <router-link to="/demo5">Demo5</router-link>
    </nav>
    <main>
      <router-view />
    </main>
</template>

<script>
export default {}
</script>

